Which of the following relations shows a function? {(-5, 6), (4, -3), (2, -1), (4, 2)} {(3, -1), (3, -5), (3, 4), (3, 6)} {(-2, 3), (0, 3), (-2, -1), (-1, 2)} {(-5, 6), (-4, -3), (2, -1), (4, 2)}

Select the correct answer from each drop-down menu. james needs to clock a minimum of 9 hours per day at work. the data set records his daily work hours, which vary between 9 hours and 12 hours, for a certain number of days. {9, 9.5, 10, 10.5, 10.5, 11, 11, 11.5, 11.5, 11.5, 12, 12}. the median number of hours james worked is . the skew of the distribution is